2001: Perl CGI HTTP_PROXY bug fixed! (by Merlyn :-)
www.nntp.perl.org/group/perl.libwww/2001/03/msg2249.html
15 years before nginx:
www.securityfocus.com/bid/91819/references
15 years before Apache:
nvd.nist.gov/vuln/detail/CVE-2016-5387
15 years before PHP:
nvd.nist.gov/vuln/detail/CVE-2016-5385
15 years before Python:
bugs.python.org/issue27568
15 years before Go (Golang):
nvd.nist.gov/vuln/detail/CVE-2016-5386
LOL: httpoxy.org/#why
2018-10-21 Athanasius changed <h1> tags to <h3>